tower_node.yml

---
- name: Single purpose EC2 playbook - Deploys a RHEL 8 cloud image on EC2 in preparation for Tower 
  hosts: localhost
  gather_facts: False
  vars:
    instance_count: 1
    instance_tag: ''
    # Define these variables either in this playbook or via the Twoer survey feature.
    #security_group: ''
    #subnet_id: ''
    #ssh_key_name: ''
    #instance_size: ''
    #ami_name: ''

  tasks:
  # https://aws.amazon.com/ec2/instance-types/
  # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html
  - name: Create RHEL instance in ec2
    ec2:
      image: "{{ ec2_image }}"
      instance_type: "{{ ec2_instance_type }}"
      aws_access_key: "{{ ec2_access_key }}"
      aws_secret_key: "{{ ec2_secret_key }}"
      key_name: "{{ ec2_keypair }}"
      region: "{{ ec2_region }}" 
      wait: yes 
      count: "{{ instance_count|int }}"
      instance_tags: "{'ansible_group':'{{ instance_tag }}', 'type':'{{ ec2_instance_type }}', 'group':'{{ ec2_security_group }}', 'Name':'TowerDemo_''{{ tower_user_name }}-node'}"
      vpc_subnet_id: "{{ ec2_subnet_id }}"
      assign_public_ip: yes
      group_id: "{{ ec2_security_group }}"
    register: ec2
    tags: create

  - name: grab EC2 facts
    ec2_instance_info:
      region: "{{ ec2_region }}"
      filters:
        instance-state-name: running
        "tag:TowerDemo": "{{tower_user_name}}-node"
    register: tower_node_facts

  - name: add hosts to groups (ANSIBLE RHEL MODE)
    add_host:
      name: "{{ item.tags.Name }}"
      username: "{{ item.tags.Student }}"
      short_name: "{{ item.tags.short_name }}"
      ansible_host: "{{ item.public_ip_address }}"
      ansible_user: "{{ item.tags.username }}"
      ansible_port: "{{ ssh_port }}"
      ansible_ssh_private_key_file: "{{ playbook_dir }}/{{ec2_name_prefix}}/{{ec2_name_prefix}}-private.pem"
      groups: lab_hosts,managed_nodes
    with_items:
      - "{{ tower_node_facts.instances }}"
    changed_when: false

  - name: Wait for SSH to come up
    wait_for:
      host: "{{ item.public_dns_name }}"
      port: 22
      delay: 60
      timeout: 320
      state: started
    with_items: "{{ ec2.instances }}"
    tags: create

    #debug: msg="{{ item.public_dns_name }} {{ item.public_ip }} {{ item.private_ip}}"
  - name: Display enumerated list
    debug: msg="IP is {{ item }}"
    with_items: "{{ ec2.instances|map(attribute='public_ip')|list }}"
    tags: 
      - create





- name: CONFIGURE CONTROL NODE
  hosts: control_nodes
  gather_facts: yes
  become: yes
  roles:
    - control_node
  tags: control_node